Description
1-Phase Digital Pump Protection Relay with inbuilt WLC: SELEC PPRWD-4M-1
- Monitors: Phase loss, Phase unbalance, Phase sequence, Overload trip current, Under / Over current and voltage in 1Ø pumps.
- Float switch Input for water level-based pump controlling
- Auto / Remote test available.
- Output contact: 1 SPST relay, Direct 30A Relay output.
- Direct 30A Relay output.
- Aux Supply: 180 to 300V AC (L-N)
Brief Specifications
Measuring Parameter | Monitors Dry/Under Current, Over Current, Locked Current, Over Voltage, Under Voltage, Phase Failure and Overload with Automatic start & stop as per water level detection (Float switch) |
Electrical Connection | 1Ø – 2 |
Test / Reset | Manual / Auto reset |
LED Indication | Power ON, Trip indication |
Display | 3 Digits, 7 Segment LED display |
Voltage Measuring Range | 180 to 300V AC (L – N) |
Power Consumption | 40VA (max) |
Power Motor Rated Current Measuring | 1A to 30A |
Output Contact | Control Output 1 NO Relay, Relay Rating 32A@277V AC |
Accuracy | Current Accuracy ±5% of rated current, Voltage Accuracy ±1% of 300V, Time Accuracy ±5% ±100msec |
Functional Specifications | Over load NEMA class 5, 10, 15, 20, 30, Over-current ranges [Ir (Rated current) + 1 to 32A], Under current [0.2A to Ir (Rated current) – 1], Locked current / Stall current [Ir (Rated current) + 1 to 32A], Overvoltage 180V – 300V AC ( L – N ), Under voltage 180V – 300V AC ( L – N ) |
Time Setting | Power ON delay 1sec (Fixed), Trip time delay (Current & Voltage parameters) 0 – 999sec, Recovery time (Current & Voltage parameters) 1 – 999sec, Reset attempts 3 (fixed), Reset Attempt Time Frame 1 – 999 mins |
Auto Restart Attempts | 3 (Fixed) |
Mounting | DIN Rail Mount |
Size | 66.50 x 70 x 90 (H x W x L) |